Links about the 1650 Psalter

1. The Book of psalms and sacred harmonies:with the words printed for expressive singing (1866)www.archive.org/details/mssacr00lond
This pre-dates the current The Scottish Psalmody published by the Free Church of Scotland and Free Church of Scotland (Continuing). Along with great helps at the beginning, it includes the 150 Psalms and numerous tunes in the split-leaf format. It also contains many Scriptures set to the tunes and some hymns. It is available as an e-book to purchase from Abe.Books.com or browse from Princeton Theological Library